数据仓库之路FAQyiyiya2002年10月FAQ目录一、与数据仓库有关的几个概念...........................................................................................21.1目录..................................................................................................................................2二、数据仓库产生的原因.......................................................................................................6三、数据仓库体系结构图.......................................................................................................7四、数据仓库设计..................................................................................................................84.1数据仓库的建模..............................................................................................................84.2数据仓库建模的十条戒律：...........................................................................................9五、数据仓库开发过程...........................................................................................................95.1数据模型的内容..............................................................................................................95.2数据模型转变到数据仓库.............................................................................................105.3数据仓库开发成功的关键.............................................................................................11六、数据仓库的数据采集.....................................................................................................116.1后台处理........................................................................................................................126.2中间处理........................................................................................................................126.3前台处理........................................................................................................................136.4数据仓库的技术体系结构.............................................................................................136.5数据的有效性检查.........................................................................................................156.6清除和转换数据............................................................................................................156.7简单变换........................................................................................................................166.8清洁和刷洗....................................................................................................................176.9集成................................................................................................................................186.10聚集和概括................................................................................................................206.11移动数据........................................................................................................................20七、如何建立数据仓库.........................................................................................................227.1数据仓库设计................................................................................................................227.2数据抽取模块................................................................................
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